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International School of Western Australia vs St Dominic's School

A head-to-head comparison of two schools in Western Australia, 1.3 km apart, using official ACARA 2025 data. Best value in each row is highlighted.

MeasureInternational School of Western Australia
City Beach WA
St Dominic's School
Innaloo WA
Success Index
90
Top 5%
74
Top 25%
State rank (type)#2 of 172#39 of 583
National rank (type)#8 of 1,259#630 of 4,908
SectorIndependentCatholic
TypeCombinedPrimary
Year rangePP-12PP-6
Students396138
Girls / boys189 / 20765 / 73
Foundation intake2328
Year 7 cohort40–
Year 12 cohort35–
VCE median study score
VCAA, latest year
––
VCE study scores 40+––
5-year enrolment growth+32%+5%
ICSEA
Average 1000
11801108
ICSEA percentile98th86th
Top SEA quarter78%42%
Bottom SEA quarter0%5%
Students per teacher8.411.8
Teaching staff (FTE)47.311.7
Non-teaching staff (FTE)16.56.6
Language background other than English43%55%
Indigenous students0%1%
SuburbCity Beach 6015Innaloo 6018
Council areaStirlingStirling
RemotenessMajor CitiesMajor Cities
Websitewww.iswa.wa.edu.auwww.stdominics.wa.edu.au

The verdict

  • •International School of Western Australia scores higher on the Success Index (89.7 vs 74.0).
  • •International School of Western Australia has the higher ICSEA (1180 vs 1108), indicating a more advantaged community.
  • •International School of Western Australia has fewer students per teacher (8.4 vs 11.8).
  • •International School of Western Australia is the larger school with 396 students compared with 138.
  • •International School of Western Australia has grown faster over five years (32% vs 5%).
  • •International School of Western Australia is a independent school while St Dominic's School is a catholic school, so fees and enrolment rules differ.

The Success Index summarises community advantage, resourcing and momentum from ACARA data. It does not measure teaching quality, results or fit. Methodology.

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Frequently asked questions

Is International School of Western Australia better than St Dominic's School?

On the Success Index, International School of Western Australia ranks higher (89.7 vs 74.0 out of 100). The index measures community advantage and momentum from ACARA data, not teaching quality, so visit both schools before deciding.

How far apart are International School of Western Australia and St Dominic's School?

About 1.3 km in a straight line, between City Beach and Innaloo in Western Australia.

Which has the better student-to-teacher ratio?

International School of Western Australia has 8.4 students per full-time-equivalent teacher and St Dominic's School has 11.8.

How do International School of Western Australia and St Dominic's School rank in WA?

International School of Western Australia is 2nd of 172 and St Dominic's School is 39th of 583 among combined schools in Western Australia on the 2025 Success Index.